VTK  9.1.0
vtkAffineRepresentation2D.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkAffineRepresentation2D.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
41#ifndef vtkAffineRepresentation2D_h
42#define vtkAffineRepresentation2D_h
43
45#include "vtkInteractionWidgetsModule.h" // For export macro
46
47class vtkProperty2D;
48class vtkActor2D;
50class vtkPolyData;
51class vtkPoints;
52class vtkCellArray;
53class vtkTextProperty;
55class vtkTextMapper;
56class vtkActor2D;
57
58class VTKINTERACTIONWIDGETS_EXPORT vtkAffineRepresentation2D : public vtkAffineRepresentation
59{
60public:
65
67
71 void PrintSelf(ostream& os, vtkIndent indent) override;
73
75
82 vtkSetClampMacro(BoxWidth, int, 10, VTK_INT_MAX);
83 vtkGetMacro(BoxWidth, int);
84 vtkSetClampMacro(CircleWidth, int, 10, VTK_INT_MAX);
85 vtkGetMacro(CircleWidth, int);
86 vtkSetClampMacro(AxesWidth, int, 10, VTK_INT_MAX);
87 vtkGetMacro(AxesWidth, int);
89
91
96 void SetOrigin(const double o[3]) { this->SetOrigin(o[0], o[1], o[2]); }
97 void SetOrigin(double ox, double oy, double oz);
98 vtkGetVector3Macro(Origin, double);
100
109 void GetTransform(vtkTransform* t) override;
110
112
118 vtkGetObjectMacro(Property, vtkProperty2D);
119 vtkGetObjectMacro(SelectedProperty, vtkProperty2D);
120 vtkGetObjectMacro(TextProperty, vtkTextProperty);
122
124
129 vtkSetMacro(DisplayText, vtkTypeBool);
130 vtkGetMacro(DisplayText, vtkTypeBool);
131 vtkBooleanMacro(DisplayText, vtkTypeBool);
133
135
142 void PlaceWidget(double bounds[6]) override;
143 void StartWidgetInteraction(double eventPos[2]) override;
144 void WidgetInteraction(double eventPos[2]) override;
145 void EndWidgetInteraction(double eventPos[2]) override;
146 int ComputeInteractionState(int X, int Y, int modify = 0) override;
147 void BuildRepresentation() override;
149
151
154 void ShallowCopy(vtkProp* prop) override;
157 int RenderOverlay(vtkViewport* viewport) override;
159
160protected:
163
164 // Methods to manipulate the cursor
165 void Translate(double eventPos[2]);
166 void Scale(double eventPos[2]);
167 void Rotate(double eventPos[2]);
168 void Shear(double eventPos[2]);
169 void Highlight(int highlight) override;
170 void UpdateText(const char* text, double eventPos[2]);
171
172 // The width of the widget in normalized viewport coordinates.
176
177 // Display text
179
180 // Internal variables for bookkeeping (in display coordinates unless noted)
184
185 // The internal transformation matrix
188 double Origin[4]; // the current origin in world coordinates
189 double DisplayOrigin[3]; // the current origin in display coordinates
190 double CurrentTranslation[3]; // translation this movement
191 double StartWorldPosition[4]; // Start event position converted to world
192 double StartAngle; // The starting angle (always positive)
194 double CurrentScale[2];
195 double CurrentShear[2];
196 void ApplyShear(); // helper method to apply shear to matrix
197
198 // Properties used to control the appearance of selected objects and
199 // the manipulator in general.
204 double Opacity;
206
207 // Support picking
208 double LastEventPosition[2];
209
210 // These are the classes that form the geometric representation -----------
211 // The label
214
215 // The outer box
221
227
228 // The circle
234
240
241 // The translation axes
246
247private:
249 void operator=(const vtkAffineRepresentation2D&) = delete;
250};
251
252#endif
a actor that draws 2D data
Definition: vtkActor2D.h:40
represent 2D affine transformations
void EndWidgetInteraction(double eventPos[2]) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void GetTransform(vtkTransform *t) override
Retrieve a linear transform characterizing the affine transformation generated by this widget.
void PlaceWidget(double bounds[6]) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void ReleaseGraphicsResources(vtkWindow *) override
Methods to make this class behave as a vtkProp.
void WidgetInteraction(double eventPos[2]) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void Shear(double eventPos[2])
int RenderOverlay(vtkViewport *viewport) override
Methods to make this class behave as a vtkProp.
void UpdateText(const char *text, double eventPos[2])
void Highlight(int highlight) override
void ShallowCopy(vtkProp *prop) override
Methods to make this class behave as a vtkProp.
void BuildRepresentation() override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void StartWidgetInteraction(double eventPos[2]) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
static vtkAffineRepresentation2D * New()
Instantiate this class.
void GetActors2D(vtkPropCollection *) override
Methods to make this class behave as a vtkProp.
void Translate(double eventPos[2])
void SetOrigin(const double o[3])
Specify the origin of the widget (in world coordinates).
int ComputeInteractionState(int X, int Y, int modify=0) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void SetSelectedProperty(vtkProperty2D *)
Set/Get the properties when unselected and selected.
void SetOrigin(double ox, double oy, double oz)
Specify the origin of the widget (in world coordinates).
void Scale(double eventPos[2])
void Rotate(double eventPos[2])
void SetTextProperty(vtkTextProperty *)
Set/Get the properties when unselected and selected.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for instances of this class.
void SetProperty(vtkProperty2D *)
Set/Get the properties when unselected and selected.
~vtkAffineRepresentation2D() override
abstract class for representing affine transformation widgets
object to represent cell connectivity
Definition: vtkCellArray.h:181
a simple class to control print indentation
Definition: vtkIndent.h:34
create a leader with optional label and arrows
represent and manipulate 3D points
Definition: vtkPoints.h:34
draw vtkPolyData onto the image plane
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:86
an ordered list of Props
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:57
represent surface properties of a 2D image
Definition: vtkProperty2D.h:38
2D text annotation
Definition: vtkTextMapper.h:48
represent text properties.
describes linear transformations via a 4x4 matrix
Definition: vtkTransform.h:55
abstract specification for Viewports
Definition: vtkViewport.h:47
window superclass for vtkRenderWindow
Definition: vtkWindow.h:39
int vtkTypeBool
Definition: vtkABI.h:69
#define VTK_INT_MAX
Definition: vtkType.h:155